   #ifndef MAINWINDOW_H
   #define MAINWINDOW_H

     #include "centerframe.h"
     #include <QMainWindow>

     class QLabel;
     class QComboBox;
     class QSpinBox;
     class QToolButton;

    class MainWindow : public QMainWindow
    {
        Q_OBJECT
    public:
        MainWindow(QWidget *parent = 0);

        ~MainWindow();

        void createToolBar();
    public slots:
        void penStyleChangged(int index=0);

        void penColorChangged();



    private:
        CenterFrame *centerFrame;
        QLabel *styleLabel;
        QComboBox *styleComboBox;
        QLabel *widthLabel;
        QSpinBox *widthSpinBox;
        QToolButton *colorBtn;
        QToolButton *clearBtn;
        QToolButton *saveBtn;
        QToolButton *larger;
        QToolButton *smaller;
        //QToolButton *picBtn;
   };
   #endif // MAINWINDOW_H



















































































































